On Jun 1, 2011, at 9:54 PM, mike wilson wrote: > On 02/06/2011 01:59, Bruce Walker wrote: >> Well, well. They were clearly reading our little GPS thread ... >> >> "Mounted on the hot shoe of select PENTAX digital SLR cameras,* the >> O-GPS1 unit records latitude, longitude, altitude, and universal time >> coordinated (UTC) of shooting locations with captured images. Image >> files with this GPS data may be used to track shooting locations and >> review location data on a personal computing device." >> >> http://goo.gl/qH4o6 >> >> They must have hacked the hotshoe interface to handle serial I/O from >> the GPS. I suppose the hotshoe already talks to the flash serially, so >> they have added the GPS as a serial device distinct from a flash. >> Clever! I don't recall any of us coming up with that solution. > > The astrotracer function is rather whizzy. > > "The O-GPS1offers the advanced PENTAX original Astrotracer function,* which > works with the PENTAX Shake Reduction (SR) system on select cameras for > tracking and photographing celestial bodies. The unit calculates the movement > of stars, planets, and other bodies using the latitude obtained from GPS data > and the camera’s alignment data (horizontal and vertical inclinations and > aspect) obtained from its magnetic and acceleration sensors. Then, the unit > shifts the camera’s image sensor in synchronization with the movement of the > object(s).** As a result, stars and other bodies are captured as solid points > rather than blurry streaks, even during extended exposures. The unit also > simplifies astrophotography by requiring only a tripod and eliminating the > need for additional accessories such as an equatorial telescope."
That's absolutely brilliant, if it works. > -- Larry Colen [email protected] sent from i4est -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
